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鼠李糖脂纳米胶束对鼻病毒的抗病毒活性——计算机对接、分子动力学分析及体外研究

Antiviral Activity of Rhamnolipids Nano-Micelles Against Rhinoviruses-In Silico Docking, Molecular Dynamic Analysis and In-Vitro Studies.

作者信息

Touabi Lila, Ismail Nasser S M, Bakkar Marwa R, McLean Gary R, Abo-Zeid Yasmin

机构信息

School of Human Sciences, London Metropolitan University, 166-220 Holloway Road, London N7 8DB, UK.

Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ain Shams University, Abassia, Cairo 11566, Egypt.

出版信息

Curr Issues Mol Biol. 2025 May 6;47(5):333. doi: 10.3390/cimb47050333.

Abstract

Hospital-acquired infections (HAIs) previously focused mainly on multidrug-resistant (MDR) bacteria, with less attention on viruses. The COVID-19 pandemic highlighted the importance of controlling viral infections. Human rhinoviruses (HRVs) are among the viruses responsible for HAIs. HRVs are non-enveloped viruses that infect the upper airways after airborne or direct transmission. Due to their lack of a membrane envelope, HRVs exhibit moderate resistance to commonly applied alcoholic disinfectants. Therefore, there is a significant need to develop alternative disinfection and hand sanitation strategies to control HRV infections in healthcare settings without posing a risk to human health. The antimicrobial activity and safety of rhamnolipids and rhamnolipids nano-micelles (RMN) against MDR-bacteria and several viruses, including SARS-CoV-2, were confirmed recently. Also, we previously demonstrated the superior antimicrobial activity of RMN over rhamnolipids. In the current study, molecular docking demonstrated the weak interactions of rhamnolipids with HRV-1A (minor group) compared to HRV-14 (major group), suggesting a superior antiviral activity of rhamnolipids towards major group rhinoviruses. To biologically validate these data, RMN was prepared and characterized, and then antiviral activity against HRV-16 (major group) and HRV-1B (minor group) infection of HeLa cells was assessed. RMN showed a complete inhibition of HRV-16 infection with recovery of 100% of HeLa cell viability. In contrast, only partial inhibition of HRV-1B infection with approximately 50% protection against infection was observed. Therefore, RMN might be recommended as a disinfectant and/or a hand sanitizer component to control the spread of RVs in hospital care settings or elsewhere to reduce the incidence of respiratory infections.

摘要

医院获得性感染(HAIs)以前主要集中在多重耐药(MDR)细菌上,对病毒的关注较少。新冠疫情凸显了控制病毒感染的重要性。人鼻病毒(HRVs)是导致医院获得性感染的病毒之一。人鼻病毒是无包膜病毒,通过空气传播或直接传播感染上呼吸道。由于缺乏膜包膜,人鼻病毒对常用的酒精消毒剂表现出一定的抗性。因此,迫切需要开发替代的消毒和手部卫生策略,以控制医疗环境中的人鼻病毒感染,同时不对人类健康构成风险。最近证实了鼠李糖脂和鼠李糖脂纳米胶束(RMN)对多重耐药细菌和包括严重急性呼吸综合征冠状病毒2(SARS-CoV-2)在内的几种病毒具有抗菌活性和安全性。此外,我们之前证明了RMN比鼠李糖脂具有更强的抗菌活性。在当前的研究中,分子对接表明,与HRV-14(主要组)相比,鼠李糖脂与HRV-1A(次要组)的相互作用较弱,这表明鼠李糖脂对主要组鼻病毒具有更强的抗病毒活性。为了从生物学上验证这些数据,制备并表征了RMN,然后评估了其对HeLa细胞感染HRV-16(主要组)和HRV-1B(次要组)的抗病毒活性。RMN完全抑制了HRV-16感染,HeLa细胞活力恢复率达100%。相比之下,仅观察到对HRV-1B感染的部分抑制,约有50%的感染防护率。因此,RMN可能被推荐作为消毒剂和/或手部消毒剂成分,以控制医院护理环境或其他地方鼻病毒的传播,从而降低呼吸道感染的发生率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8289/12110113/1eeb72f04c64/cimb-47-00333-g001.jpg

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